ncert.dk

📜 Historical scan 2026-08-09 20:33:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ncert.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 September 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 159ms

TXT Record
google-site-verification=A3gW3iN_WNlXAv0JcxAKTfXtv3titFF8K5nU76ks6cQ
v=spf1 include:_spf.google.com ~all

✉️ SPF#

Policy	Record (ncert.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC#

Policy	Record (_dmarc.ncert.dk)
p=quarantine	v=DMARC1; p=quarantine; pct=100;

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 13:55:02

www	46.30.211.38 (AS51468) (address records, no CNAME)
www vs bare domain	Only www resolves ncert.dk: no address www.ncert.dk: 46.30.211.38 (AS51468) (all like this)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

86ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026080701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 21:57:57

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-09-14
Expires	2027-09-30 (338d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

32ms

4033ms

AAAA

4028ms

TXT

159ms

CAA

44ms

HTTPS

53ms

TLSA

29ms

SOA

0ms

MTA-STS

2045ms

DNSSEC

86ms

SRV

55ms

Total

4396ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 13:55:02	452ms	2 NS 0 A 5 MX	🔒 Secure
2026-10-07 21:20:40	1190ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-30 19:41:40	395ms	2 NS 0 A 5 MX	🔒 Secure
2026-09-07 14:11:46	628ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-27 22:47:48	814ms	2 NS 0 A 5 MX	🔒 Secure
2026-08-09 20:33:39 shown	4396ms	2 NS 0 A 0 MX	🔒 Secure
2026-07-08 18:53:08	25024ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-02 23:41:15	2447ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-27 07:06:53	1185ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-26 21:19:56	696ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-25 18:42:12	949ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-18 01:29:08	843ms	2 NS 0 A 5 MX	🔒 Secure